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Top 20 Trending Topics of 2009

We decided to scour our Trending Topics archive for the year to see what caused the biggest hourly peaks on Twitter. You probably imagine who comes in first place, so let's do it countdown-style:

20. Billy Mays

The infomercial king died on June 28th. The hourly peak was 5.85%. He was one of the many celebrities whose death was big on Twitter.

See chart - Wikipedia - CNN's story

19. Halloween

The celebration had a peak of 7.1% on October 31st.

See chart - Wikipedia

18. The Yankees

They won the World Series on Nov. 5th and got 7.14% of the mentions.

See chart - MLB - ESPN's story

17. The Lakers

The LA team won the NBA Championship on June 14th and the peak was 7.56%

See chart - NBA - ESPN's story

16. Brittany Murphy

Her untimely death reached a peak of 8.01% on December 20th.

See chart - TMZ - Wikipedia

15. Facebook

Their "land grab" of vanity urls earned the social network a peak of 8.09% in June.

See chart - Facebook blog post - TechCrunch's note

14. The iPhone

Apple's announcement of the 3GS garnered a peak of 8.27% on June 8th.

See chart - Apple's press release - TechCrunch's note

13. Obama

The news of the Nobel Prize being awarded to the US president got Twitter's attention on Oct. 9th. The peak was 8.39%.

See chart - Nobel Foundation press release - CNN's story - Wikipedia

12. aplusk

Actor Ashton Kutcher beat CNN to be the first Twitter user with one million followers. As he reached the milestone on April 17th, 8.5% of the tweets mentioned his username.

See chart - aplusk's twitter page - Mashable's story

11. Patrick Swayze

Twitter lamented the passing of the "Dirty Dancing" and "Point Break" actor on September 14th. The peak was 9.67%

See chart - Wikipedia - CNN's story

10. Happy Easter

9.78% of Twitter users shared their Easter salutation with their followers.

See chart

9. Eurovision

The final of the European song contest obtained 9.93% of the mentions during its broadcast on May 16th.

See chart - Eurovision.tv - YouTube (Alexander Rybak)

8. Fireworks

The 4th of July tradition was present on Twitter with 11.7% of the mentions.

See chart - Independence day at Wikipedia

7. Jonas Brothers

Teenagers showed their strong presence on Twitter when the pop rock boy band had 12% of Twitter's attention during their livecast on August 22nd.

See chart - JuniorCelebs - Wikipedia

6. Thanksgiving

The holiday got 12.1% of Twitter mentions, along with other words such as turkey and full.

See chart - Wikipedia

5. Demi Lovato

The singer and actress showed the presence of her age group once again with 12.6% of the tweets mentioned her name during her live chat on April 14th.

See chart - Wikipedia

4. Balloon

The "Balloon Boy" saga unfolded in real-time on Twitter, where it received 12.8% of the mentions on October 15th.

See chart - Wikipedia - CNN's story

3. Oscars

The award ceremony attracted the interest of 13% of the Twitter community on February 23rd.

See chart - Wikipedia

2. Kanye

His shenanigans during MTV's Video Music Awards sparked passionate comments everywhere. On Twitter he had a peak of 14.3% hourly mentions on September 13th. Luckily, he's going to let us finish.

See chart - Wikipedia - Video on iViewTube

1. Michael Jackson

The King of Pop's death on June 25th caused a traffic spike on most news sites. An astonishing 22.6% of Twitter mentioned the passing of one of the most successful entertainers in history. For children born after 2000 this may be the most memorable news story in their lives so far.

See chart - Wikipedia - TMZ's report - CNN's story